Finding the Third Proportional to 42,396.75 and 67,118.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,396.75 : 67,118.63 = 67,118.63 : x
2. Step 2: Convert to fraction form
   42,396.75/67,118.63 = 67,118.63/x
3. Step 3: Cross multiply
   42,396.75x = 67,118.63 × 67,118.63
4. Step 4: Simplify right side
   42,396.75x = 4,504,909,821.89
5. Step 5: Solve for x
   x = 4,504,909,821.89/42,396.75
6. Step 6: Final answer
   x = 106,256.02